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authorStefano Garzarella <sgarzare@redhat.com>2022-03-23 20:36:25 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-08 15:23:51 +0300
commit8b320893461cfdfbdb89f183737e1d7df67d7d7a (patch)
tree8802037de5e72707848edc6942098038969e3b4f
parentb64bf5464ad56be06c4d6042be2284116db0ac48 (diff)
downloadlinux-8b320893461cfdfbdb89f183737e1d7df67d7d7a.tar.xz
vsock/virtio: enable VQs early on probe
[ Upstream commit 88704454ef8b00ea91537ae0d47d9348077e0e72 ] virtio spec requires drivers to set DRIVER_OK before using VQs. This is set automatically after probe returns, but virtio-vsock driver uses VQs in the probe function to fill rx and event VQs with new buffers. Let's fix this, calling virtio_device_ready() before using VQs in the probe function. Fixes: 0ea9e1d3a9e3 ("VSOCK: Introduce virtio_transport.ko") Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--net/vmw_vsock/virtio_transport.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 4a8548bdf86c..c5f936fbf876 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -627,6 +627,8 @@ static int virtio_vsock_probe(struct virtio_device *vdev)
vdev->priv = vsock;
+ virtio_device_ready(vdev);
+
mutex_lock(&vsock->tx_lock);
vsock->tx_run = true;
mutex_unlock(&vsock->tx_lock);